import java.util.Scanner;

/**
 * @author oldliu
 * @since 1.0
 */
public class MathOper {
    public static void main(String[] args) {
        Scanner in=new Scanner(System.in);
        System.out.println("input two numbers:");
        int a=in.nextInt();
        int b=in.nextInt();
        int chen=a*b;
        System.out.println("乘积是"+chen);
        int chu=a/b;
        System.out.println("除是"+chu);
        int yu=a%b;
        System.out.println("余数是："+yu);
    }
}
